# TRENDMAP NINJA vs 投資カレンダー

The clearest difference is ads: 投資カレンダー at none against TRENDMAP NINJA's shown. TRENDMAP NINJA's advantage is update cadence (every 9 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TRENDMAP NINJA ships an update every 9 days, 投資カレンダー every 6 weeks. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | TRENDMAP NINJA | 投資カレンダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Size | 32 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GREEN MONSTER .INC](https://appshunter.io/developer/853593289) | [Hiroki Okazaki](https://appshunter.io/developer/1887790290) |

## What reviewers say

### TRENDMAP NINJA

[App page](https://appshunter.io/ios/app/trendmap-ninja/id6762266092)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 投資カレンダー

[App page](https://appshunter.io/ios/app/id6778749132)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TRENDMAP NINJA free?

TRENDMAP NINJA is free to download, with no in-app purchases.

### Is 投資カレンダー free?

投資カレンダー is free to download, with no in-app purchases.

### Do TRENDMAP NINJA or 投資カレンダー have ads?

TRENDMAP NINJA shows ads; 投資カレンダー does not.

### Which is updated more often, TRENDMAP NINJA or 投資カレンダー?

TRENDMAP NINJA ships an update every 9 days, and 投資カレンダー every 6 weeks. Most recently, TRENDMAP NINJA was updated on October 5, 2026 and 投資カレンダー on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*